USB 4 version 2.0 announced; Feature backward compatibility, to deliver data transfer speeds of up to 80 Gbps

USB Promoter Group has announced that USB 4 version 2.0 will support data transfer speeds of up to 80Gbps over USB Type-C cables and connectors. The organization also said that the USB Type-C and USB Power Delivery (USB PD) specifications will also be updated to reach the claimed performance. USB 4 version 2.0 will also have backward compatibility with the previous USB 4 version. Additional details of the USB 4 version 2.0 specification are expected to be revealed ahead of the USB Developer Days 2022 event in November, according to the group.

one in Press release, the USB Promoter Group, which includes Apple, HP, Intel, Microsoft, Renesas Electronics, STMicroelectronics, and Texas Instruments, announced that USB 4 version 2.0 will allow data transfer speeds of up to 80Gbps over USB Type-C cables. and connector. The USB Type-C and USB PD specifications will also be upgraded to support higher data transfer speeds, the group said.

USB 4 version 2.0 is based on a new physical layer architecture, which uses existing 40Gbps USB Type-C passive cables and “newly defined” USB Type-C active cables, the USB Promoter Group added. The organization is also working on protocol updates to allow USB 3.2 data tunneling to exceed 20Gbps speeds and enable better alignment with the latest versions of DisplayPort and PCL data tunneling.

USB 4 version 1.0, USB 3.2, USB 2.0 and Thunderbolt 3 will be compatible with USB 4 version 2.0. The USB Promoter Group also said that additional specifications of the new version of USB 4 are expected to be shared ahead of the USB Developer Days 2022 event in November. The group said the program will also provide technical training covering the new updates to USB 4, USB Type-C and USB PD.

Meanwhile, USB Implementers Forum (USB-IF) spokesman Joe Balich Told The Verge, that a USB 4 cable, rated at 40Gbps, will be able to achieve twice its current data transfer speed, once the next version of USB 4 becomes available in the future.